mediastreamer: fix intltool dependency

Fixes http://autobuild.buildroot.net/results/c93c1bc01feeea0ff37cb33c81d8712281a01c00

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/mediastreamer/mediastreamer.mk

@@ -1,7 +1,7 @@
 MEDIASTREAMER_VERSION = 2.8.2
 MEDIASTREAMER_SITE = http://download.savannah.nongnu.org/releases/linphone/mediastreamer
 MEDIASTREAMER_INSTALL_STAGING = YES
-MEDIASTREAMER_DEPENDENCIES = host-pkg-config ortp
+MEDIASTREAMER_DEPENDENCIES = host-intltool host-pkg-config ortp
 
 ifeq ($(BR2_PACKAGE_ALSA_LIB),y)
 MEDIASTREAMER_CONF_OPT += --enable-alsa